THE EFFECT OF Zr ON AGING KINETICS AND PROPERTIES OF AS-CAST AA6082 ALLOY

被引：7
|
作者：
Kahriman, Fulya [1 ]
Zeren, Muzaffer [1 ]
机构：
[1] Kocaeli Univ, Dept Met & Mat Engn, Umuttepe Campus, TR-41380 Kocaeli, Turkey
来源：
INTERNATIONAL JOURNAL OF METALCASTING | 2017年 / 11卷 / 02期
关键词：
AA6082; alloy; zirconium; casting; kinetics; precipitation; MG-SI ALLOY; MECHANICAL-PROPERTIES; PRECIPITATION; MICROSTRUCTURE; TRANSFORMATION; SCANDIUM; PHASES; TEM; SC;
D O I：
10.1007/s40962-016-0047-1
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In aluminum alloys, zirconium is usually used as a recrystallization inhibitor and microstructure refiner. Its minor addition to alloy composition could produce a significant precipitation hardening response and enhance the both physical and chemical properties. In this work, the effect of zirconium on the aging kinetics of a commercial as-cast AA6082 alloy was investigated using Avrami equations obtained from the variation in electrical conductivity values as a function of aging time at 180 degrees C (356 degrees F). The results showed that the aging kinetics slowed down and the matrix hardness of aged alloy enhanced due to Zr addition.
引用
收藏
页码：216 / 222
页数：7
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